fix: crash when trying to resolve methods from abstract class with in…

…terface and with method referencing self

I have encountered the issue when working with brick/math, namely `BigNumber::of()`.

src/Definition/Repository/Reflection/ReflectionClassDefinitionRepository.php

@@ -32,6 +32,7 @@
 use function array_filter;
 use function array_keys;
 use function array_map;
+use function interface_exists;
 
 /** @internal */
 final class ReflectionClassDefinitionRepository implements ClassDefinitionRepository
@@ -114,7 +115,7 @@ private function typeResolver(ClassType $type, string $targetClass): ReflectionT
             return $this->typeResolver[$typeKey];
         }
 
-        while ($type->className() !== $targetClass) {
+        while ($type->className() !== $targetClass && ! interface_exists($targetClass)) {
             $type = $type->parent();
         }
 

tests/Fixture/Object/AbstractObjectWithInterface.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CuyZ\Valinor\Tests\Fixture\Object;
+
+abstract class AbstractObjectWithInterface implements \JsonSerializable
+{
+    public static function of(AbstractObjectWithInterface $value): void {}
+}

tests/Unit/Definition/Repository/Reflection/ReflectionClassDefinitionRepositoryTest.php

@@ -13,6 +13,7 @@
 use CuyZ\Valinor\Tests\Fake\Definition\Repository\FakeAttributesRepository;
 use CuyZ\Valinor\Tests\Fake\Type\FakeType;
 use CuyZ\Valinor\Tests\Fake\Type\Parser\Factory\FakeTypeParserFactory;
+use CuyZ\Valinor\Tests\Fixture\Object\AbstractObjectWithInterface;
 use CuyZ\Valinor\Type\StringType;
 use CuyZ\Valinor\Type\Types\NativeClassType;
 use CuyZ\Valinor\Type\Types\MixedType;
@@ -145,6 +146,15 @@ public function publicMethodWithNativeAndDocBlockReturnTypes(): string
         self::assertSame('Optional parameter value', $optionalParameter->defaultValue());
     }
 
+    public function test_methods_can_be_retrieved_from_abstract_object_with_interface_and_with_method_referencing_self(): void
+    {
+        $type = new NativeClassType(AbstractObjectWithInterface::class);
+        $methods = $this->repository->for($type)->methods();
+
+        self::assertTrue($methods->has('of'));
+        self::assertTrue($methods->has('jsonSerialize'));
+    }
+
     public function test_private_parent_constructor_is_listed_in_methods(): void
     {
         $type = new NativeClassType(ClassWithInheritedPrivateConstructor::class, parent: new NativeClassType(AbstractClassWithPrivateConstructor::class));